With this purchase you will get a community membership, our membership signet and an individual key*. This key can be used up to 3 times (or up to a total of 1 hour of our experts’ work time per key) within 12 months from the purchase date for expert priority support** on Psychtoolbox related questions, issues or bugs. You can ask questions or report issues via our public online forum, or via our public GitHub issue tracker. How to exactly use the key is explained on http://psychtoolbox.org/prioritysupport.html.
Support will typically be provided within 2 German business days.

Fees are used for maintenance of Psychtoolbox, as well as for improvement and development of new features. 

Labs who wish to document their partnership with the Psychtoolbox project can be listed as a “Psychtoolbox Member” and have permission to use the Psychtoolbox partner logo to communicate this status in their media and communication strategy.

At the end of the order process you will receive an official invoice (private users and labs).

(*key activation typically takes 5-10 working days from the date of purchase)
(**for currently supported and recommended operating systems and hardware with the current Psychtoolbox version)